Middlesex County and Belmont Town property record for 3 Sumner Ln, Belmont, MA 02478
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 5.5 ba · 6,493 sqft · built 2014 |
| Lot Size | 0.717 acres (31,227 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $65,060 (2025) |
| Deeds & Mortgages | May 2021 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | BELM M:57 P:000021 S:D |
| Primary APN | BELM M:57 P:000021 S:D |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 3 Stories |
| Building Area | 6,493 sqft Living Area |
| 1st Floor Area | 1,991 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2014 |
|---|---|
| Effective Year Built | Effective 2014 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Lot Area | 31,227 sqft (0.717 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Street Address | 3 SUMNER LN |
|---|---|
| City | BELMONT |
| State | MA |
| Zip | 02478-1433 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SA |
| Jurisdiction | BELMONT MA |
| Township / Civil Division | BELMONT |
| Census Block Group | 3 |
| Census Block | 3017 |
| Census Tract | 357800 |
3 Sumner Ln is owned and occupied by two individuals.
Source: Middlesex County and Belmont Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3 SUMNER LN, BELMONT, MA 02478-1433 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BELMONT MA |
| Property Address | 3 SUMNER LN, BELMONT, MA 02478-1433 |
| Transaction Type | Mortgage |
| Record Updated | Jun 11, 2021 |
| Name | Verified Name |
|---|
| Document Number | 77864-68 |
|---|---|
| Date | May 26, 2021 |
| Book Page | 77864/68 |
| Instrument | 119214 |
| Name | LEADER BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2051 |
The 2025 property tax bill for 3 Sumner Ln was $65,060.
Source: Middlesex County and Belmont Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Belmont Town |
| Unified School District | Belmont School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $65,060.00 | $5,712,000 Land $1,165,000 Building $4,547,000 | $3,854,381 |
| 2023 | $47,579.00 | $4,233,000 Land $1,206,000 Building $3,027,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3 Sumner Ln in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1985.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 3 (1985–2021) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Sep 2021 · Tropical Storm Henri |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 3 Sumner Ln is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 96% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | BELMONT WATER DEPT. (MWRA) serves 27,442 people · EPA ID MA3026000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Jul 2023 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 103 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
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